Occasionally, wiping zoster pseudodendrites from the corneal epithelium leaves an intact epithelial surface behind unlike simplex dendrites in which a full-thickness epithelial defect is present.

Health Cornea made from pig collagen gives people who were blind 20/20 vision. Twenty people who were legally blind or visually impaired received a transplant of a cornea made from pig collagen.

Research explores using patients' stem eye cells to restore sight. —June 23, 2010 -- More than 1.2 million Americans suffer cornea damage from injuries and more than 40,000 people a year ...